Disposable Diaper with Urinary Incontinence Monitor.

概要

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A telemetry system of disposable diaper for monitoring urinary incontinence has been developed. Two conductive sheets were used as electrodes and were sandwiches to an absorbent polymer of a diaper. Conductance change in diaper after urinary incontinence was monitored. The system consisted of conductive sheets as sensors, transmitter and receiver. When urinary incontinence occurred, the signal was detected by receiver and alarm LED was flashed. The alarm telemetry system included a disconnection of sensor and a battery check. In clinical evaluation, bed fasten patients and patients who used wheelchair were monitored. 32 out of 35 urinary times were observed correctly. The errors of the system developed were caused by detection of effusion of bedsore and a little watery stool because of high sensitivity. A shape of a conductive non-waven fabric electrode was modified to prevent errors and to detect urinary incontinence of a volume more than 100ml. In the second clinical evaluation with modified electrodes, the same patients were monitored. All urinary times were observed correctly. This telemetry monitoring system developed may be useful at home.
一般社団法人日本生体医工学会の論文